Filing Flows › Halozyme Therapeutics (HALO) › Who owns the stock
Who owns Halozyme Therapeutics (HALO) stock
659 funds reported Halozyme Therapeutics (HALO) shares in their latest 13F filings, worth $9.8B in all. The largest holder is BlackRock ($1.0B). Last quarter 331 funds added to their stakes and 246 cut them. Members of Congress and other officials disclosed 2 trades (1 buys, 1 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| BlackRock | 13,271,095 | $1.0B | increase | 2026-06-30 |
| Vanguard Group | 11,566,896 | $778M | decrease | 2025-12-31 |
| Vanguard Capital Management LLC | 5,351,312 | $419M | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 5,299,008 | $415M | increase | 2026-06-30 |
| State Street | 5,179,434 | $405M | increase | 2026-06-30 |
| Invesco | 3,177,997 | $249M | decrease | 2026-06-30 |
| Morgan Stanley | 2,832,594 | $222M | increase | 2026-06-30 |
| Boston Partners | 2,773,568 | $217M | increase | 2026-06-30 |
| Bank of America | 2,740,561 | $215M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 2,519,951 | $197M | increase | 2026-06-30 |
| William Blair Investment Management, LLC | 2,511,050 | $197M | decrease | 2026-06-30 |
| Snyder Capital Management L P | 2,396,101 | $188M | increase | 2026-06-30 |
| Dimensional Fund Advisors LP | 2,089,567 | $164M | increase | 2026-06-30 |
| D. E. Shaw | 2,006,479 | $157M | increase | 2026-06-30 |
| Royal London Asset Management | 1,810,815 | $142M | increase | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-09-29 | Gilbert Cisneros | partial sale | $1K–$15K |
| 2026-03-09 | Gilbert Cisneros | purchase | $1K–$15K |
Halozyme Therapeutics' latest quarter
Halozyme Therapeutics, Q3 2026: revenue $493M (+39% year over year), operating margin 59.8%, net earnings $247M, operating cash flow $258M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most HALO stock?
By the latest 13F filings: BlackRock ($1.0B); Vanguard Group ($778M); Vanguard Capital Management LLC ($419M); Vanguard Portfolio Management LLC ($415M); State Street ($405M).
Has Congress traded HALO stock?
Officials disclosed 2 trades on file: 1 buys and 1 sales. The latest: Gilbert Cisneros, partial sale on 2026-09-29.
What is the short interest in HALO?
13,654,228 shares were sold short at the 2026-10-15 settlement, -10.73% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.